ALVIN 610E Metric Engineer Triangle Scale, Multipurpose Ruler for Drawing, Planning, and Design, Drafting and Architecture Tool - 6 Inches
High-quality, solid aluminum scales. Printed calibrations on a durable, ultra-smooth surface that resists stains and abrasions. Color-coded furrows. 4 inches scale with standard architect graduations of 3/32, 3/16, 1/8, 1/4, 1/2, 1, 3/8, 3/4, 1 1/2, 3" to the foot; one edge in 16ths.